CHAPTER 2 – POWER ELECTRONICS AND CABINET FEATURES 44
2.6 Door locking system
To ensure safety and to prevent the doors being
opened unintentionally, all doors are lockable, and
the doors of compartments where medium volt-
ages are present during operation (2-14: 1, 2, 4) are
bolted or electromechanically secured.
Additionally, the doors of the medium voltage
compartments have locks with different inserts
than the control compartment door. The different
lock inserts ensure that these doors can only be
opened by personnel authorized to do so.
The covers of the integrated transformer are
bolted.
Cover of DTL compartment: bolted
Cover of terminal compartment: bolted
Door of control compartment: lockable
Door of AFE-INU compartment: electromechanically locked
Door cannot be opened when the drive is energized.
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